Acknowledgements. Introduction; M. Kusch. Wittgenstein as a Conservative Thinker; D. Bloor. The Sociology of Philosophical Knowledge: A Case Study and a Defence; M. Kusch. Why did Gottlob Frege and Ernst Schroeder Fail in their Attempts to Persuade German Philosophers of the Virtues of Mathematical Logic? J. Pulkkinen. Painting an Icon: Gaston Bachelard and the Philosophical Beard; C. Chimisso. The Agonistic Ethic and the Spirit of Inquiry: Some Notes on the Greek Origines of Theoretical Discourse; B. Sandywell. Politics and Patterns of Developing Indigenous Knowledge under Western Disciplinary Compartmentalization: The Case of Philosophical Schools in Modern China and Japan; M. Chew. Reflexivity and Social Embeddedness in the History of Ethical Philosophies; R. Collins. The Contextualism of Philosophy; V. Peckhaus. Sociological Accounts and the History of Philosophy; J. Gracia.